rename containerDataName from uiTooltip to ui-tooltip, see #32

src/containers/editable-container.js

@@ -20,7 +20,8 @@ Applied as jQuery method.
 
     //methods
     Popup.prototype = {
-        containerName: null, //tbd in child class
+        containerName: null, //method to call container on element
+        containerDataName: null, //object name in element's .data()
         innerCss: null, //tbd in child class
         containerClass: 'editable-container editable-popup', //css class applied to container element
         init: function(element, options) {
@@ -121,7 +122,20 @@ Applied as jQuery method.
 
         /* returns container object */
         container: function() {
-            return this.$element.data(this.containerDataName || this.containerName); 
+            var container;
+            //first, try get it by `containerDataName`
+            if(this.containerDataName) {
+                if(container = this.$element.data(this.containerDataName)) {
+                    return container;
+                }
+            }
+            //second, try `containerName`
+            container = this.$element.data(this.containerName);
+            if(container) {
+                return container;
+            } else {
+                $.error('Can`t get container in element`s .data(). Container: ' + this.containerName);
+            }
         },
 
         /* call native method of underlying container, e.g. this.$element.popover('method') */